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The study of the molecular structure of chemical compounds is one of the most recent areas of interest in graph theory, along with the visualization of graphs in Google maps, nanochemistry, network design in electrical and electronic engineering, and computer science. Topological indices are estimated to analyze chemical substances and their physio-chemical characteristics. Some exceptional instances of WPI of those graphs are assessed based on the computed results. <\/jats:p>","DOI":"10.1142\/s1793830924500873","type":"journal-article","created":{"date-parts":[[2024,9,5]],"date-time":"2024-09-05T06:02:36Z","timestamp":1725516156000},"source":"Crossref","is-referenced-by-count":0,"title":["Weighted PI index of edge corona product of some classes of graphs"],"prefix":"10.1142","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1835-4117","authenticated-orcid":false,"given":"Rangasamy","family":"Hemalatha","sequence":"first","affiliation":[{"name":"Department of Mathematics, Sri Eshwar College of Engineering, Coimbatore, India"},{"name":"Department of Mathematics, Amrita School of Physical Sciences \u2013 Coimbatore, Amrita Vishwa Vidyapeetham, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0558-5389","authenticated-orcid":false,"given":"J.","family":"Geetha","sequence":"additional","affiliation":[{"name":"Department of Mathematics, Amrita School of Physical Sciences \u2013 Coimbatore, Amrita Vishwa Vidyapeetham, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2226-1845","authenticated-orcid":false,"given":"K.","family":"Somasundaram","sequence":"additional","affiliation":[{"name":"Department of Mathematics, Amrita School of Physical Sciences \u2013 Coimbatore, Amrita Vishwa Vidyapeetham, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2024,9,24]]},"reference":[{"key":"S1793830924500873BIB001","doi-asserted-by":"publisher","DOI":"10.1142\/S1793830921500191"},{"key":"S1793830924500873BIB002","doi-asserted-by":"publisher","DOI":"10.1201\/b10959"},{"key":"S1793830924500873BIB003","doi-asserted-by":"publisher","DOI":"10.56827\/SEAJMMS.2022.1803.25"},{"key":"S1793830924500873BIB004","doi-asserted-by":"publisher","DOI":"10.1016\/j.mcm.2012.08.001"},{"key":"S1793830924500873BIB005","doi-asserted-by":"publisher","DOI":"10.1021\/ci0003092"},{"key":"S1793830924500873BIB006","doi-asserted-by":"publisher","DOI":"10.1016\/j.dam.2007.08.041"},{"key":"S1793830924500873BIB007","doi-asserted-by":"publisher","DOI":"10.1002\/dac.4765"},{"key":"S1793830924500873BIB008","doi-asserted-by":"publisher","DOI":"10.1007\/s11831-020-09466-6"},{"key":"S1793830924500873BIB009","doi-asserted-by":"publisher","DOI":"10.1016\/j.dam.2018.03.087"},{"journal-title":"J. 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